public class Student {
    public Student(String no, String name, String sex, String classs) {
        this.no = no;
        this.name = name;
        this.sex = sex;
        this.classs = classs;
    }

    String no = "";
    String name = "";
    String sex = "";
    String classs = "";

    @Override
    public String toString() {
        return "Student{" +
                "no='" + no + '\'' +
                ", name='" + name + '\'' +
                ", sex='" + sex + '\'' +
                ", class='" + classs + '\'' +
                '}';
    }
}
